Finding the Fourth Proportional to 5,978.60, 8,245.70 and 3,736.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.60 : 8,245.70 = 3,736.20 : x
2. Step 2: Convert to fraction form
   5,978.60/8,245.70 = 3,736.20/x
3. Step 3: Cross multiply
   5,978.60x = 8,245.70 × 3,736.20
4. Step 4: Simplify right side
   5,978.60x = 30,807,584.34
5. Step 5: Solve for x
   x = 30,807,584.34/5,978.60
6. Step 6: Final answer
   x = 5,152.98